Home / 809,712.60-1,214,568.90-652,248.60

Finding the Fourth Proportional to 809,712.60, 1,214,568.90 and 652,248.60

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Solution

The fourth proportional to 809,712.60, 1,214,568.90 and 652,248.60 is: 978,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,712.60 : 1,214,568.90 = 652,248.60 : x
  2. Step 2: Convert to fraction form
    809,712.60/1,214,568.90 = 652,248.60/x
  3. Step 3: Cross multiply
    809,712.60x = 1,214,568.90 × 652,248.60
  4. Step 4: Simplify right side
    809,712.60x = 792,200,864,628.54
  5. Step 5: Solve for x
    x = 792,200,864,628.54/809,712.60
  6. Step 6: Final answer
    x = 978,372.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.